<h2>Comments</h2>
<pre><code>; This is a comment</code></pre>

<h2>Strings</h2>
<pre><code>"foo ""bar"" baz"</code></pre>

<h2>Numbers</h2>
<pre><code>123
123.456
123.456e789
0xAF</code></pre>

<h2>Full example</h2>
<pre><code>;----Open the selected favorite
f_OpenFavorite:
; Fetch the array element that corresponds to the selected menu item:
StringTrimLeft, f_path, f_path%A_ThisMenuItemPos%, 0
if f_path =
    return
if f_class = #32770    ; It's a dialog.
{
    if f_Edit1Pos <>   ; And it has an Edit1 control.
    {
        ; Activate the window so that if the user is middle-clicking
        ; outside the dialog, subsequent clicks will also work:
        WinActivate ahk_id %f_window_id%
        ; Retrieve any filename that might already be in the field so
        ; that it can be restored after the switch to the new folder:
        ControlGetText, f_text, Edit1, ahk_id %f_window_id%
        ControlSetText, Edit1, %f_path%, ahk_id %f_window_id%
        ControlSend, Edit1, {Enter}, ahk_id %f_window_id%
        Sleep, 100  ; It needs extra time on some dialogs or in some cases.
        ControlSetText, Edit1, %f_text%, ahk_id %f_window_id%
        return
    }
    ; else fall through to the bottom of the subroutine to take standard action.
}
else if f_class in ExploreWClass,CabinetWClass  ; In Explorer, switch folders.
{
    if f_Edit1Pos <>   ; And it has an Edit1 control.
    {
        ControlSetText, Edit1, %f_path%, ahk_id %f_window_id%
        ; Tekl reported the following: "If I want to change to Folder L:\folder
        ; then the addressbar shows http://www.L:\folder.com. To solve this,
        ; I added a {right} before {Enter}":
        ControlSend, Edit1, {Right}{Enter}, ahk_id %f_window_id%
        return
    }
    ; else fall through to the bottom of the subroutine to take standard action.
}
else if f_class = ConsoleWindowClass ; In a console window, CD to that directory
{
    WinActivate, ahk_id %f_window_id% ; Because sometimes the mclick deactivates it.
    SetKeyDelay, 0  ; This will be in effect only for the duration of this thread.
    IfInString, f_path, :  ; It contains a drive letter
    {
        StringLeft, f_path_drive, f_path, 1
        Send %f_path_drive%:{enter}
    }
    Send, cd %f_path%{Enter}
    return
}
; Since the above didn't return, one of the following is true:
; 1) It's an unsupported window type but f_AlwaysShowMenu is y (yes).
; 2) It's a supported type but it lacks an Edit1 control to facilitate the custom
;    action, so instead do the default action below.
Run, Explorer %f_path%  ; Might work on more systems without double quotes.
return</code></pre>